Wall Street little changed on mixed earnings reports

The stock was the biggest drag on the three major indexes, while fellow chipmaker Qualcomm was the biggest positive influence on the S&P and Nasdaq. Qualcomm was up 6.9 percent at $59.68 after its quarterly results and forecast topped market estimates. Another boost to the S&P and Nasdaq was Biogen , which was up 6.7 percent at $278.32 after its results beat expectations.